Plugging equipment for pipeline repair

Abstract

The utility model relates to the technical field of pipeline maintenance equipment, and discloses a plugging device for pipeline repair, which comprises a connecting frame, a rotating shaft is rotatably connected in the connecting frame, one end of the connecting frame is fixedly connected with a mounting disc, and one side of the mounting disc far away from the rotating shaft is fixedly connected with four positioning rods. And a limiting disc is fixedly connected between the ends, away from the mounting disc, of the four positioning rods, a bidirectional threaded rod is mounted between the limiting disc and the mounting disc, the bidirectional threaded rod is fixedly connected with the rotating shaft, and extrusion discs are in threaded connection with the two sides of the periphery of the bidirectional threaded rod correspondingly. According to the pipeline plugging device, through cooperation of the rotating shaft, the mounting disc, the positioning rod, the limiting disc, the bidirectional threaded rod, the extrusion disc, the fixing ring, the silica gel body and the sealing ring, the pipeline plugging device can rapidly plug a pipeline after being mounted, assistance of other tools is not needed in the process, and using and carrying are more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline maintenance equipment, in particular to a plugging device for pipeline repair. Background Art

[0002] Pipeline plugging equipment is a tool used for temporary or emergency plugging of pipelines, usually used for pipeline maintenance, repair or pipeline plugging operations in emergency situations. These devices can play a key role in preventing fluid leakage or controlling fluid flow during pipeline leakage, repair or construction.

[0003] After searching, patent announcement number CN220134956U discloses a plugging device for pipeline repair. The plugging device for pipeline repair, the fixing ring is sleeved on the outside of the gas pipeline, and the two anti-slip leather rings are fit with the outside of the gas pipeline, and fixed by two threaded limit rods, and finally the sealing disk with a plugging structure is threadedly connected to the fixing ring through the threaded ring, so that the pipeline plugging device can be directly fixed on the gas pipeline. Compared with the prior art, the pipeline plugging device is smaller in size, easy to carry, will not take up too much space at the maintenance site, and its usage scenarios are more extensive.

[0004] However, the pipeline plugging device in the above document needs to use an air pump or other tools to inflate the air bag during the pipeline plugging process to achieve pipeline plugging, which makes the device extremely inconvenient to use and carry. Therefore, a plugging device for pipeline repair is proposed. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a plugging device for pipeline repair, aiming to improve the problem that the pipeline plugging device in the prior art is extremely inconvenient to use and carry.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A plugging device for pipeline repair comprises a connecting frame, wherein a rotating shaft is rotatably connected inside the connecting frame, a mounting plate is fixedly connected to one end of the connecting frame, four positioning rods are fixedly connected to a side of the mounting plate away from the rotating shaft, a limiting plate is fixedly connected between the ends of the four positioning rods away from the mounting plate, a bidirectional threaded rod is installed between the limiting plate and the mounting plate, the bidirectional threaded rod is fixedly connected to the rotating shaft, extrusion plates are threadedly connected to both sides of the outer circumference of the bidirectional threaded rod, a fixing ring is fixedly connected between the middle parts of the four positioning rods, a silicone body is fixedly connected to the outside of the fixing ring, a sealing ring is fixedly connected to the outside of the silicone body, and a positioning assembly is installed on the side of the connecting frame away from the mounting plate;

[0008] Through the above technical solution, the positioning component fixes the connecting frame at the cut end of the pipe, and then rotates the bidirectional threaded rod to drive the extrusion disk to squeeze the silicone body, so that the silicone body expands outward to seal the inside of the pipe. It is simple and convenient and does not require the assistance of other tools.

[0009] Further, the positioning assembly includes a fixed frame and a screw rod, the inner side of the fixed frame is fixedly connected to the outer periphery of the connecting frame, the outer four corners of the fixed frame are hinged with movable frames, the end of the movable frame away from the fixed frame is hinged with a clamping plate, the end of the screw rod close to the mounting plate is rotatably connected to the side of the connecting frame away from the mounting plate, the outer periphery of the screw rod is threadedly connected with a threaded sleeve, and a support rod is installed between the outer periphery of the threaded sleeve and the middle of the movable frame;

[0010] Through the above technical solution, rotating the screw can drive the threaded sleeve to move, and the movement of the threaded sleeve can push the movable frame to flip, and then the clamping plate is tightly clamped at the cut port of the pipe to provide support for subsequent plugging.

[0011] Furthermore, the middle part of the fixing ring is sleeved on the outer periphery of the bidirectional threaded rod, and the inner part of the extrusion disk is slidably connected to the outer periphery of the positioning rod;

[0012] Through the above technical solution, the positioning rod ensures that the extrusion plate can be stably driven to move by the bidirectional threaded rod, squeezing and expanding the silicone body. At the same time, the rotation of the bidirectional threaded rod will not affect the fixing ring, thereby ensuring that the rotation of the bidirectional threaded rod will not affect the inner side of the silicone body.

[0013] Furthermore, one end of the bidirectional threaded rod is rotatably connected to the middle of the limiting plate, and the other end of the bidirectional threaded rod is rotatably connected to the middle of the mounting plate;

[0014] Through the above technical solution, after fixing the equipment, the workers can rotate the shaft to drive the bidirectional threaded rod to rotate, retract the two extrusion disks, and then squeeze and expand the silicone body.

[0015] Furthermore, the outer periphery of the rotating shaft passes through and is rotatably connected to the inside of the screw rod, and one end of the rotating shaft away from the mounting plate is fixedly connected to a hand wheel;

[0016] Through the above technical solution, by inserting the rotating shaft into the inside of the screw, the positioning component and the sealing structure can be combined, and the supporting strength of the rotating shaft can be improved, thereby ensuring that the equipment can be quickly sealed after installation.

[0017] Furthermore, one end of the support rod is hinged to the middle of the movable frame, and the other end of the support rod is hinged to the outer periphery of the threaded sleeve;

[0018] Through the above technical solution, the movable frame is pushed to move by the movable support rod, so that the equipment can be fixed at the cut end of the pipeline.

[0019] Furthermore, one end of the screw rod away from the connecting frame is fixedly connected to a handle, and the middle part of the handle is rotatably connected to the outer periphery of the rotating shaft;

[0020] Through the above technical solution, the device can be conveniently fixed at the port of the pipeline through the handle.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, through the cooperation of the rotating shaft, the mounting plate, the positioning rod, the limiting plate, the bidirectional threaded rod, the extrusion plate, the fixing ring, the silicone body and the sealing ring, the pipeline plugging device can quickly plug the pipeline after installation, and does not require the assistance of other tools during the process, so it is more convenient to use and carry.

[0023] 2. In the utility model, through the cooperation of the fixed frame, the movable frame, the clamping plate, the screw, the threaded sleeve and the support rod, the pipeline plugging device can be tightly fixed on the outside of the pipeline port, which not only realizes the installation of the equipment, but also provides positioning for the subsequent plugging of the pipeline, thereby improving the stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a plugging device for pipeline repair proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the silicone structure of a plugging device for pipeline repair proposed by the utility model;

[0026] Figure 3 This is a side view of a plugging device for pipeline repair proposed by the utility model;

[0027] Figure 4 A schematic diagram of a movable frame structure of a plugging device for pipeline repair proposed by the utility model;

[0028] Figure 5 The utility model provides a schematic diagram of the bidirectional threaded rod structure of a plugging device for pipeline repair.

[0029] Legend:

[0030] 1. Connecting frame; 2. Rotating shaft; 3. Mounting plate; 4. Positioning rod; 5. Limiting plate; 6. Bidirectional threaded rod; 7. Extrusion plate; 8. Fixing ring; 9. Silicone body; 10. Sealing ring; 11. Handwheel; 12. Fixed frame; 13. Movable frame; 14. Clamp; 15. Screw; 16. Threaded sleeve; 17. Support rod; 18. Handle. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings of the utility model specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 2 , Figure 3 and Figure 5 The utility model provides an embodiment: a plugging device for pipeline repair, including a connecting frame 1, wherein the connecting frame 1 is rotatably connected to a rotating shaft 2, and the rotating shaft 2 is supported by the connecting frame 1 to ensure that the rotating shaft 2 can rotate stably, so that the device can be started to plug the pipeline. A mounting plate 3 is fixedly connected to one end of the connecting frame 1, and four positioning rods 4 are fixedly connected to the side of the mounting plate 3 away from the rotating shaft 2, and a limiting plate 5 is fixedly connected between the ends of the four positioning rods 4 away from the mounting plate 3. The limiting plate 5 is fixedly installed at the end of the device through the four positioning rods 4, and the positioning rods 4 are fixedly supported by the mounting plate 3 and the connecting frame 1 at the same time. The limiting plate 5 can stably support and connect the four positioning rods 4, thereby improving the structural strength of the device. A bidirectional threaded rod 6 is rotatably installed between the limiting plate 5 and the mounting plate 3, and the bidirectional threaded rod 6 is fixedly connected to the rotating shaft 2, so that the bidirectional threaded rod 6 between the limiting plate 5 and the mounting plate 3 can be stably supported, and then the device can be stably started when the bidirectional threaded rod 6 is rotated.

[0033] Reference Figure 1 , Figure 3 and Figure 5 , both sides of the outer periphery of the bidirectional threaded rod 6 are threadedly connected with extrusion disks 7, and the extrusion disks 7 are slidably connected to the positioning rod 4. A fixing ring 8 is fixedly connected between the middle parts of the four positioning rods 4, and a silicone body 9 is fixedly connected to the outside of the fixing ring 8. The silicone body 9 is installed and fixed on the positioning rod 4 through the fixing ring 8 to prevent the rotation of the bidirectional threaded rod 6 from affecting it. At the same time, when the bidirectional threaded rod 6 rotates, it can drive the two extrusion disks 7 to move towards or in the opposite direction. When the two extrusion disks 7 move towards each other, they will squeeze the silicone body 9, causing the silicone body 9 to expand and deform outward, and then gradually contact the inner wall of the pipeline to block the pipeline. A sealing ring 10 is fixedly connected to the outside of the silicone body 9. When the silicone body 9 is squeezed and expanded, the sealing ring 10 will first contact the inner wall of the pipeline. As the silicone body 9 continues to expand and squeeze the sealing ring 10, it will fit 10 tightly to the inner wall of the pipeline, thereby improving the sealing performance of the equipment.

[0034] Reference Figure 3 and Figure 5A positioning assembly is installed on the side of the connecting frame 1 away from the mounting plate 3. The connecting frame 1 can be fixed on the central axis of the pipeline through the positioning assembly to ensure that the equipment will not be stretched open and fall off by pressure after the inside of the pipeline is blocked. The middle part of the fixing ring 8 is sleeved on the outer periphery of the bidirectional threaded rod 6, and the extrusion plate 7 is internally slidably connected to the outer periphery of the positioning rod 4. The extrusion plate 7 is limited by the positioning rod 4 to ensure that the bidirectional threaded rod 6 can drive the extrusion plate 7 to move when it rotates. One end of the bidirectional threaded rod 6 is rotatably connected to the middle of the limiting plate 5, and the other end of the bidirectional threaded rod 6 is rotatably connected to the middle of the mounting plate 3, so that the bidirectional threaded rod 6 can rely on the end support structure composed of the limiting plate 5 and the positioning rod 4 to allow the bidirectional threaded rod 6 to rotate stably.

[0035] Reference Figure 1 , Figure 3 and Figure 4 The positioning assembly includes a fixed frame 12 and a screw 15. The inner side of the fixed frame 12 is fixedly connected to the outer periphery of the connecting frame 1. The four corners of the outer periphery of the fixed frame 12 are hinged with a movable frame 13. The end of the movable frame 13 away from the fixed frame 12 is hinged with a clamping plate 14. The end of the screw 15 close to the mounting plate 3 is rotatably connected to the side of the connecting frame 1 away from the mounting plate 3. The outer periphery of the screw 15 is threadedly connected with a threaded sleeve 16. A support rod 17 is installed between the outer periphery of the threaded sleeve 16 and the middle of the movable frame 13. During the installation process, the worker needs to first adjust the four clamping plates 14 to ensure that the four clamping plates 14 are aligned with the outer wall of the pipeline, and then screw the screw 15 to drive the threaded sleeve 16 to move. The movement of the threaded sleeve 16 will push the support rod 17 to flip the movable frame 13 toward the pipeline. As the movable frame 13 flips, it will synchronously push the four clamping plates 14 to contact the outer wall of the pipeline until it is clamped on the outer wall of the pipeline. At this time, the friction between the contact clamping plates 14 and the pipeline can effectively fix the equipment.

[0036] Reference Figure 3 and Figure 4 , the outer periphery of the rotating shaft 2 passes through and is rotatably connected to the inside of the screw 15, and the end of the rotating shaft 2 away from the mounting plate 3 is fixedly connected to a handwheel 11, so that the rotating shaft 2 can be supported by the connecting frame 1 and the screw 15 to avoid the mounting plate 3 at the end of the rotating shaft 2 from affecting it. At the same time, the handwheel 11 at the end of the rotating shaft 2 can easily drive the rotating shaft 2 to rotate. One end of the support rod 17 is hinged to the middle of the movable frame 13, and the other end of the support rod 17 is hinged to the outer periphery of the threaded sleeve 16, so that when the threaded sleeve 16 is driven to move by the screw 15, the threaded sleeve 16 can push the threaded sleeve 16 to move, and then drive the movable frame 13 to flip, so as to fix the equipment on the pipeline or remove the equipment from the pipeline. The end of the screw 15 away from the connecting frame 1 is fixedly connected to a handle 18, and the middle part of the handle 18 is rotatably connected to the outer periphery of the rotating shaft 2, so that the positioning component can be started by the handle 18, which makes it more convenient for workers to operate.

[0037] Working principle: When using the equipment to seal the port of the pipeline, the worker holds the connecting frame 1 and adjusts the four support rods 17 to the outside of the pipeline, and then twists the handle 18 to drive the screw 15 to rotate, and then the screw 15 drives the threaded sleeve 16 to move, and the threaded sleeve 16 moves to push the support rod 17 to drive the movable frame 13. In this way, the movable frame 13 is flipped to move the clamping plate 14 toward the outside of the pipeline, and the four clamping plates 14 are synchronously attached to the outer wall of the pipeline. Until the threaded sleeve 16 is tightened, the four clamping plates 14 are tightly clamped on the outside of the pipeline, and through the cooperation of the four movable frames 13 and the support rods 17, after the equipment is installed, the rotating shaft 2 is just located on the central axis of the pipeline, and the positioning operation of the sealing device is completed together.

[0038] After the positioning assembly is installed and fixed, the silicone body 9 is now located inside the pipe, and the center of the silicone body 9 is on the central axis of the pipe. At this time, the worker only needs to twist the hand wheel 11 to drive the rotating shaft 2 to rotate, and then the rotation of the rotating shaft 2 will rotate the bidirectional threaded rod 6. At this time, the connecting frame 1 is fixed at the port of the pipe through the positioning assembly, so the rotation of the rotating shaft 2 can drive the bidirectional threaded rod 6 to rotate, thereby driving the two extrusion plates 7 to move toward each other through the bidirectional threaded rod 6 to extrude the silicone body 9. As the silicone body 9 is squeezed, its periphery will slowly expand and extend outward, and eventually contact the inside of the pipe, thereby achieving the effect of quickly plugging the pipe.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 plugging device for pipeline repair, comprising a connecting frame (1), characterized in that: The connecting frame (1) is rotatably connected to a rotating shaft (2) inside, and one end of the connecting frame (1) is fixedly connected to a mounting plate (3), and four positioning rods (4) are fixedly connected to a side of the mounting plate (3) away from the rotating shaft (2), and a limiting plate (5) is fixedly connected between the ends of the four positioning rods (4) away from the mounting plate (3), and a bidirectional threaded rod (6) is installed between the limiting plate (5) and the mounting plate (3), and the bidirectional threaded rod (6) is fixedly connected to the rotating shaft (2), and both sides of the outer periphery of the bidirectional threaded rod (6) are threadedly connected to an extrusion plate (7), and a fixing ring (8) is fixedly connected between the middle parts of the four positioning rods (4), and a silicone body (9) is fixedly connected to the outside of the silicone body (9), and a sealing ring (10) is fixedly connected to the outside of the silicone body (9), and a positioning assembly is installed on the side of the connecting frame (1) away from the mounting plate (3).

2. The plugging device for pipeline repair according to claim 1, characterized in that: The positioning assembly comprises a fixed frame (12) and a screw rod (15); the inner side of the fixed frame (12) is fixedly connected to the outer periphery of the connecting frame (1); the outer corners of the fixed frame (12) are hingedly connected to movable frames (13); one end of the movable frame (13) away from the fixed frame (12) is hingedly connected to a clamping plate (14); one end of the screw rod (15) close to the mounting plate (3) is rotatably connected to a side of the connecting frame (1) away from the mounting plate (3); the outer periphery of the screw rod (15) is threadedly connected to a threaded sleeve (16); and a support rod (17) is installed between the outer periphery of the threaded sleeve (16) and the middle of the movable frame (13).

3. The plugging device for pipeline repair according to claim 1, characterized in that: The middle portion of the fixing ring (8) is sleeved on the outer circumference of the bidirectional threaded rod (6), and the interior of the extrusion plate (7) is slidably connected to the outer circumference of the positioning rod (4).

4. The plugging device for pipeline repair according to claim 1, characterized in that: One end of the bidirectional threaded rod (6) is rotatably connected to the middle of the limiting plate (5), and the other end of the bidirectional threaded rod (6) is rotatably connected to the middle of the mounting plate (3).

5. The plugging device for pipeline repair according to claim 2, characterized in that: The outer periphery of the rotating shaft (2) passes through and is rotatably connected to the interior of the screw rod (15); one end of the rotating shaft (2) away from the mounting plate (3) is fixedly connected to a hand wheel (11).

6. The plugging device for pipeline repair according to claim 2, characterized in that: One end of the support rod (17) is hinged to the middle of the movable frame (13), and the other end of the support rod (17) is hinged to the outer periphery of the threaded sleeve (16).

7. The plugging device for pipeline repair according to claim 2, characterized in that: One end of the screw rod (15) away from the connecting frame (1) is fixedly connected to a handle (18), and the middle part of the handle (18) is rotatably connected to the outer periphery of the rotating shaft (2).

Images