CN220061026U

CN220061026U - Gas pipeline plugging device

Info

Publication number: CN220061026U
Application number: CN202321424564.9U
Authority: CN
Inventors: 陈玉辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-21
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to the technical field of pipeline plugging, in particular to a gas pipeline plugging device which comprises a pipeline, an upper fixing plate, a lower fixing plate and an air bag, wherein the upper fixing plate is arranged at the top of the pipeline, the lower fixing plate is arranged at the bottom of the pipeline, a circular hole is formed in the center of the upper fixing plate, bolts are arranged at the front side and the rear side of the upper fixing plate and are in spiral connection with nuts, an air inlet is fixedly connected to the top of the air bag, threads are formed in the inner side of the air inlet, clamping plates are fixedly connected to the two sides of the air bag, a clockwork spring is arranged in the center of the clamping plates, a spring telescopic rod is fixedly connected to the center of the air bag, and a rubber pad is fixedly connected to the top of the air bag.

Description

Gas pipeline plugging device

Technical Field

The utility model relates to the technical field of pipeline plugging, in particular to a gas pipeline plugging device.

Background

The gas pipe is a special pipeline for conveying combustible gas, is a metal gas pipe hose, is influenced by various complex factors in a conveying and distributing system of urban gas, is a gas pipeline arranged underground or installed on the ground, has the danger of leakage, is corresponding to gas pipeline plugging construction, and is plugged by using a pe pipe plugging device or an inflatable air bag.

The use pe pipe plugging device to carry out gas pipeline shutoff operation is comparatively loaded down with trivial details, consumes the time length, and carries out shutoff effect relatively poor with traditional inflatable balloon, because the improper operation probably has the possibility that secondary was revealed, has certain potential safety hazard, consequently, proposes a gas pipeline plugging device.

Disclosure of Invention

The utility model aims to provide a gas pipeline plugging device, which aims to solve the problems that the gas pipeline plugging device is complex in operation, long in time consumption and poor in plugging effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a gas pipeline plugging device, includes pipeline, goes up fixed plate, lower fixed plate and gasbag, the pipeline top is equipped with the fixed plate, the pipeline bottom is equipped with the fixed plate down, go up the fixed plate central authorities and seted up circular hole, both sides are equipped with the bolt around the fixed plate, bolt and nut screwed connection, gasbag top fixedly connected with air inlet, the screw thread has been seted up to the air inlet inboard, gasbag both sides fixedly connected with splint, splint central authorities are equipped with clockwork spring, gasbag central authorities fixedly connected with spring telescopic link, spring telescopic link and splint fixed connection, gasbag top fixedly connected with rubber pad, it is equipped with sealed lid to go up the fixed plate top, sealed lid bottom fixedly connected with rubber circle.

Preferably, the two clamping plates are arranged symmetrically on two sides of the air bag, and springs are fixedly connected between the clamping plates.

Preferably, the inner side of the air inlet is provided with threads, and the air inlet is slightly wider than the circular hole.

Preferably, the rubber pad is arranged below the air inlet, and the lower end of the rubber pad is positioned in the pipeline.

Preferably, a rubber ring is arranged between the upper fixing plate and the sealing cover, and the upper fixing plate is fixed with the sealing cover through bolts and nuts.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the contact area between the air bag and the pipeline can be reduced through the arranged air bag, the rubber pad, the clamping plate and the spring, the pressure between the air bag and the pipeline can be increased, the blocking effect is enhanced, and the air bag can be conveniently and rapidly taken out through the arranged clockwork spring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the clockwork spring of the present utility model.

In the figure: the device comprises a 1-pipeline, a 2-upper fixing plate, a 3-lower fixing plate, a 4-air bag, a 5-round hole, a 6-air inlet, 7-threads, an 8-clamping plate, a 9-clockwork spring, a 10-spring telescopic rod, a 12-rubber pad, a 13-bolt, a 14-nut, a 15-sealing cover and a 16-rubber ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a gas pipeline plugging device, including pipeline 1, go up fixed plate 2, lower fixed plate 3 and gasbag 4, pipeline 1 top is equipped with fixed plate 2, pipeline 1 bottom is equipped with fixed plate 3 down, go up fixed plate 2 central authorities and seted up circular hole 5, both sides are equipped with bolt 13 around going up fixed plate 3, bolt 13 and nut 14 screwed connection, gasbag 4 top fixedly connected with air inlet 6, screw thread 7 has been seted up to air inlet 6 inboard, gasbag 4 both sides fixedly connected with splint 8, splint 8 central authorities are equipped with clockwork spring 9, gasbag 4 central authorities fixedly connected with spring telescopic link 10, spring telescopic link 10 and splint 8 fixed connection, gasbag 4 top fixedly connected with rubber pad 12, it is equipped with sealed lid 15 to go up fixed plate 2 top, sealed lid 15 bottom fixedly connected with rubber circle 16.

The two clamping plates 8 are arranged symmetrically on two sides of the air bag 4, and springs 11 are fixedly connected between the clamping plates 8, so that the air bag 4 can be extruded by the clamping plates 8 after the air bag 4 is inflated, the contact surface between the air bag 4 and a pipeline 1 is smaller, and the air tightness between the air bag 4 and the pipeline 1 is improved; the inner side of the air inlet 6 is provided with threads 7, and the air inlet 6 is slightly wider than the circular hole 5, so that the air inlet 6 can be clamped at the upper end of the circular hole 5 to prevent the whole air bag 4 from entering the pipeline 1; the rubber pad 12 is arranged below the air inlet 6, and the lower end of the rubber pad 12 is positioned in the pipeline 1, so that the air bag 4 can be protected from being damaged by the pipeline 1 at the circular hole 5; a rubber ring 16 is arranged between the upper fixing plate 2 and the sealing cover 15, and the upper fixing plate 2 and the sealing cover 15 are fixed through bolts 13 and nuts 14, so that the sealing performance of the upper fixing plate 2 and the pipeline 1 is enhanced.

The working flow is as follows: firstly, the upper fixing plate 2 and the lower fixing plate 3 are sleeved on the left side and the right side of a pipeline 1 to be repaired, then the upper fixing plate 2 and the lower fixing plate 3 are fixed through bolts 13 and nuts 14, then the pipeline is perforated by equipment at the round holes 5 of the upper fixing plate 2, then an uninflated air bag 4 and a clamping plate 8 are put into the pipeline 1 through the round holes 5, the clamping plate is gathered under the action of a spring 9, an air inlet 6 is clamped on the round holes 5, at the moment, an inflator is used for inflating the air inlet 6, the air tightness of the air inlet 6 is ensured by threads 7 at the inner side of the air inlet, the air bag 4 is enlarged due to inflation, the clamping plates 8 at the two sides of the air bag 4 are driven to be opened, a central spring telescopic rod 10 of the air bag 4 is stretched, the clamping plate 8 stretches and extrudes the air bag 4 due to the expansion of the middle spring telescopic rod 10, so that the contact area between the air bag 4 and the pipeline 1 is reduced, the pressure between the air bag 4 and the pipeline 1 is increased, the blocking effect is enhanced, the air bag 4 is protected from being damaged by the pipeline at the position of the circular hole 5 through the arranged rubber pad 12, the air tightness at the position of the circular hole 5 is guaranteed, the middle damaged pipeline 1 is repaired at the moment, the air bag 4 is deflated after the repair is completed, the clamping plate 8 is closed under the action of the spring 9, the air bag 4 is contracted, the air bag 4 is taken out from the circular hole 5 after the deflation is completed, the sealing cover 15 is placed at the top of the upper fixing plate 2 and is fixed through the bolt 13 and the nut 14, and the whole repair process is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas pipeline plugging device, includes pipeline (1), goes up fixed plate (2), lower fixed plate (3) and gasbag (4), its characterized in that: the utility model discloses a pipeline (1) top is equipped with fixed plate (2), pipeline (1) bottom is equipped with down fixed plate (3), circular hole (5) have been seted up at last fixed plate (2) central authorities, both sides are equipped with bolt (13) around going up fixed plate (2), bolt (13) and nut (14) screwed connection, gasbag (4) top fixedly connected with air inlet (6), screw thread (7) have been seted up to air inlet (6) inboard, gasbag (4) both sides fixedly connected with splint (8), splint (8) central authorities are equipped with clockwork spring (9), gasbag (4) central authorities fixedly connected with telescopic link (10), inside spring (11) that are equipped with of telescopic link (10), spring (11) and splint (8) fixedly connected with rubber pad (12) are gone up to gasbag (4) top, it is equipped with sealed lid (15) to go up fixed plate (2) top, sealed lid (15) bottom fixedly connected with rubber circle (16).

2. The gas pipeline plugging device according to claim 1, wherein: the two clamping plates (8) are arranged symmetrically on two sides of the air bag (4), and springs (11) are fixedly connected between the clamping plates (8).

3. The gas pipeline plugging device according to claim 1, wherein: the inner side of the air inlet (6) is provided with threads (7), and the air inlet (6) is slightly wider than the circular hole (5).

4. The gas pipeline plugging device according to claim 1, wherein: the rubber pad (12) is arranged below the air inlet (6), and the lower end of the rubber pad (12) is positioned in the pipeline (1).

5. The gas pipeline plugging device according to claim 1, wherein: a rubber ring (16) is arranged between the upper fixing plate (2) and the sealing cover (15), and the upper fixing plate (2) is fixed with the sealing cover (15) through bolts (13) and nuts (14).