CN213576204U

CN213576204U - Pipeline plugging device for gas engineering

Info

Publication number: CN213576204U
Application number: CN202022630651.2U
Authority: CN
Inventors: 卢乃庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-06-29
Anticipated expiration: 2030-11-14

Abstract

The utility model discloses a pipeline plugging device for gas engineering, including plugging device, tee bend takeover and pipeline, plugging device includes barrel, pneumatic cylinder and shutoff gasbag, and the surface of shutoff gasbag is equipped with the ring line, the upper portion of barrel inner chamber and the top fixed connection of pneumatic cylinder, the bottom fixedly connected with rubber head of pneumatic cylinder output, and the lateral part of pneumatic cylinder output is rotated through first hinge and second hinge and is connected with first guide bar and second guide bar, the utility model relates to a gas engineering technical field. This pipeline plugging device for gas engineering utilizes the pneumatic cylinder to drive the guide bar and moves down, drives the guide bar and removes to both sides after the guide wheel gets into the pipeline, when rubber head and pipeline inner chamber crimping, aerifys to the inside of shutoff gasbag through the air inlet, makes the inflation of shutoff gasbag and with the inner wall crimping of pipeline, the annular line on shutoff gasbag surface increases the frictional force of contact surface, the inside shutoff effect of reinforcing gas pipeline reduces the potential safety hazard.

Description

Pipeline plugging device for gas engineering

Technical Field

The utility model relates to a gas engineering technical field specifically is a pipeline plugging device for gas engineering.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline, and the gas transmission pipeline is assembled by connecting single pipes one by one. Modern gas collection pipelines and gas transmission pipelines are formed by connecting steel pipes through electric welding. The steel pipe has various types, such as a seamless pipe, a spiral seam pipe and a straight seam pipe, the seamless pipe is suitable for a pipeline with the pipe diameter of less than 529 mm, and the spiral seam pipe and the straight seam pipe are suitable for a large-diameter pipeline.

Along with people's constantly increase to the gas demand in the aspect of the production life, the laying of gas has more and more in the city, in gas engineering, because gas pipeline is more, the condition of damage trouble appears very easily, need salvage and maintain gas pipeline, utilize plugging device to carry out the shutoff to gas pipeline for this reason, among the prior art, it then needs to change whole pipeline to appear slight leakage when gas pipeline, however, current gas pipeline's shutoff mechanism is not perfect enough, gas pipeline shutoff effect is relatively poor, can make the pipeline impaired even in mechanical construction process, still there is the leakproofness poor and the danger that leaks takes place, it is great to lead to the construction hidden danger, the threat of safety is big, reduce gas conveying efficiency, influence resident life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a pipeline plugging device for gas engineering, the shutoff mechanism of having solved the gas pipeline is not perfect enough, and gas pipeline shutoff effect is relatively poor, can make the pipeline impaired even in mechanical construction process, still has the leakproofness poor and take place the danger of leaking, and it is great to lead to the construction hidden danger, and the security threat is big, reduces gas conveying efficiency, influences the problem of resident's life.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a pipeline plugging device for gas engineering, includes plugging device, tee bend takeover and pipeline, plugging device includes barrel, pneumatic cylinder and shutoff gasbag, the surface of shutoff gasbag is equipped with the ring line, the top fixed connection of the upper portion of barrel inner chamber and pneumatic cylinder, the bottom fixedly connected with rubber head of pneumatic cylinder output, the lateral part of pneumatic cylinder output is rotated through first hinge and second hinge and is connected with first guide bar and second guide bar, the upper portion at first guide bar and second guide bar is established to shutoff gasbag cover, the barrel right side is equipped with the air inlet, the air inlet passes through elastic hose and shutoff gasbag intercommunication, the one end that first hinge and second hinge were kept away from respectively to first guide bar and second guide bar all rotates and is connected with the guide wheel.

Preferably, a first limiting ring and a second limiting ring are arranged on two sides of the plugging air bag, round corners are formed in the outer ring edges of the first limiting ring and the second limiting ring in a chamfering mode, and the first limiting ring and the second limiting ring are fixed on the surfaces of the first guide rod and the second guide rod.

Preferably, the three-way connecting pipe comprises an upper member and a lower member, and the bottom of the upper member and the upper part of the lower member are fixedly connected with a first connecting plate and a second connecting plate respectively.

Preferably, the pipe surface is opened with a side orifice, the upper member is pressed against the side orifice of the pipe surface, the lower member is pressed against the lower part of the pipe surface, and the upper member and the lower member are fixedly connected by a first bolt.

Preferably, the upper member and the lower member are both provided with a rubber notch and a liquid rubber notch, the rubber notch is fixedly connected with a rubber pad, liquid rubber inlets are formed in the left side and the right side of the upper surface of the upper member, and the liquid rubber inlets are communicated with the liquid rubber notches.

Preferably, the bottom of barrel fixedly connected with first connector, the upper portion fixedly connected with second connector of last component, first connector passes through second bolt fixed connection with the second connector, and presss from both sides between first connector and the second connector and be equipped with the flange.

Advantageous effects

The utility model provides a pipeline plugging device for gas engineering. Compared with the prior art, the method has the following beneficial effects:

(1) the pipeline plugging device for the gas engineering is characterized in that annular grains are arranged on the surface of a plugging air bag, the upper part of an inner cavity of a cylinder body is fixedly connected with the top end of a hydraulic cylinder, the bottom of the output end of the hydraulic cylinder is fixedly connected with a rubber head, the side part of the output end of the hydraulic cylinder is rotatably connected with a first guide rod and a second guide rod through a first hinge and a second hinge, the plugging air bag is sleeved on the upper parts of the first guide rod and the second guide rod, an air inlet is arranged on the right side of the cylinder body and is communicated with the plugging air bag through an elastic hose, one ends of the first guide rod and the second guide rod, which are respectively far away from the first hinge and the second hinge, are rotatably connected with guide wheels, the guide rods are driven to move downwards by the hydraulic cylinder, the guide wheels drive the guide rods to move towards two sides after entering the pipeline, when the rubber head is in pressure connection with, the annular lines on the surface of the plugging air bag increase the friction force of the contact surface, enhance the plugging effect inside the gas pipeline and reduce the potential safety hazard.

(2) This pipeline plugging device for gas engineering, rubber notch and liquid rubber notch have all been seted up through the inside of last component with lower component, rubber notch fixedly connected with rubber pad, the liquid rubber import has been seted up to the left and right sides of going up the component upper surface, liquid rubber import and liquid rubber notch intercommunication, utilize and press from both sides the outside at the pipeline with last component and lower component, and through first bolt fastening, the rubber pad and the pipeline crimping of rubber notch, then beat into sealed glue solution to the liquid rubber notch from the liquid rubber import through gluing the rifle, further strengthen the outside sealed effect of gas pipeline, reduce the danger that the gas leaked.

Drawings

Fig. 1 is a structural sectional view of the utility model during plugging;

fig. 2 is a structural section view before plugging;

fig. 3 is a front view of the structure of the present invention.

In the figure: 1. a plugging device; 111. a barrel; 112. a hydraulic cylinder; 113. plugging the air bag; 2. a three-way connecting pipe; 211. an upper member; 212. a lower member; 3. a pipeline; 311. a side pipe orifice; 4. a rubber head; 5. a first hinge; 6. a second hinge; 7. a first guide bar; 8. a second guide bar; 9. an air inlet; 10. an elastic hose; 11. a guide wheel; 12. a first limit ring; 13. a second stop collar; 14. a first connecting plate; 15. a second connecting plate; 16. a first bolt; 17. a rubber pad; 18. a liquid glue inlet; 19. a first connector; 20. a second connector; 21. a second bolt; 22. a flange; 23. a rubber notch; 24. liquid glue notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pipeline plugging device for gas engineering comprises a plugging device 1, a three-way connecting pipe 2 and a pipeline 3, wherein the three-way connecting pipe 2 comprises an upper component 211 and a lower component 212, the bottom of the upper component 211 and the upper part of the lower component 212 are fixedly connected with a first connecting plate 14 and a second connecting plate 15 respectively, a side pipe opening 311 is formed in the surface of the pipeline 3, the upper component 211 is in press connection with the side pipe opening 311 in the surface of the pipeline 3, the lower component 212 is in press connection with the lower part in the surface of the pipeline 3, the upper component 211 and the lower component 212 are fixedly connected through a first bolt 16, rubber notches 23 and liquid glue notches 24 are formed in the upper component 211 and the lower component 212 respectively, a rubber pad 17 is fixedly connected with the rubber notches 23, liquid glue inlets 18 are formed in the left side and the right side of the upper surface of the upper component 211, the liquid glue inlets 18 are communicated with the liquid glue notches 24, the upper component 211 and the lower component, the rubber pad 17 of the rubber notch 23 is pressed with the pipeline, then the sealing glue solution is injected into the liquid glue notch 24 from the liquid glue inlet 18 through a glue gun, the sealing effect outside the gas pipeline is further enhanced, and the risk of gas leakage is reduced, the plugging device 1 comprises a cylinder body 111, a hydraulic cylinder 112 and a plugging air bag 113, a first connector 19 is fixedly connected to the bottom of the cylinder body 111, a second connector 20 is fixedly connected to the upper portion of an upper member 211, the first connector 19 and the second connector 20 are fixedly connected through a second bolt 21, a flange 22 is clamped between the first connector 19 and the second connector 20, annular grains are arranged on the surface of the plugging air bag 113, the upper portion of the inner cavity of the cylinder body 111 is fixedly connected to the top end of the hydraulic cylinder 112, a rubber head 4 is fixedly connected to the bottom of the output end of the hydraulic cylinder 112, a first guide rod 7 and a second guide rod 8 are rotatably connected to the side portion of the output end, the plugging air bag 113 is sleeved on the upper parts of the first guide rod 7 and the second guide rod 8, a first limiting ring 12 and a second limiting ring 13 are arranged on two sides of the plugging air bag 113, round corners are formed at the outer ring edges of the first limiting ring 12 and the second limiting ring 13, the first limiting ring 12 and the second limiting ring 13 are fixed on the surfaces of the first guide rod 7 and the second guide rod 8, an air inlet 9 is arranged on the right side of the cylinder 111, the air inlet 9 is communicated with the plugging air bag 113 through an elastic hose 10, one ends of the first guide rod 7 and the second guide rod 8, which are respectively far away from the first hinge 5 and the second hinge 6, are respectively and rotatably connected with a guide wheel 11, the guide rod is driven to move downwards by using a hydraulic cylinder 112, the guide wheel 11 drives the guide rod to move towards two sides after entering the pipeline, when the rubber head 4 is in pressure connection with the inner cavity of the pipeline 3, the air is inflated into the plugging air bag 113 through the air inlet, the annular veins on the surface of the plugging air bag 113 increase the friction force of the contact surface, enhance the plugging effect inside the gas pipeline and reduce the potential safety hazard.

And those not described in detail in this specification are well within the skill of those in the art.

When the sealing device is used, the upper member 211 and the lower member 212 are clamped outside the pipeline 3 and fixed through the first bolt 16, the rubber pad 17 of the rubber notch 23 is in compression joint with the pipeline, then sealing glue is injected into the liquid glue notch 24 from the liquid glue inlet 18 through a glue gun, the cylinder 111 of the sealing device 1 is fixed with the three-way connecting pipe 2 through the second bolt 21, then the hydraulic cylinder 112 is started, the hydraulic cylinder 112 drives the guide rod to move downwards, the guide wheel 11 drives the guide rod to move towards two sides after entering the pipeline, the sealing air bag 113 enters the inside of the pipeline 3, when the rubber head 4 is in compression joint with the inner cavity of the pipeline 3, the air inlet 9 is used for inflating the inside of the sealing air bag 113, the sealing air bag 113 is expanded and is in compression joint with the inner wall of the pipeline 3, and the annular grains on the surface of the.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a pipeline plugging device for gas engineering, includes plugging device (1), tee bend takeover (2) and pipeline (3), its characterized in that: plugging device (1) includes barrel (111), pneumatic cylinder (112) and shutoff gasbag (113), the surface of shutoff gasbag (113) is equipped with the ring line, the top fixed connection of the upper portion of barrel (111) inner chamber and pneumatic cylinder (112), the bottom fixedly connected with rubber head (4) of pneumatic cylinder (112) output, the lateral part of pneumatic cylinder (112) output rotates through first hinge (5) and second hinge (6) and is connected with first guide rod (7) and second guide rod (8), shutoff gasbag (113) cover is established on the upper portion of first guide rod (7) and second guide rod (8), barrel (111) right side is equipped with air inlet (9), air inlet (9) communicate with shutoff gasbag (113) through elastic hose (10), the one end that first hinge (5) and second hinge (6) were kept away from respectively to first guide rod (7) and second guide rod (8) all rotates and is connected with guide wheel (11) .

2. The pipeline plugging device for the gas engineering according to claim 1, wherein: the two sides of the plugging air bag (113) are provided with a first limiting ring (12) and a second limiting ring (13), the outer ring edges of the first limiting ring (12) and the second limiting ring (13) are chamfered, and the first limiting ring (12) and the second limiting ring (13) are fixed on the surfaces of the first guide rod (7) and the second guide rod (8).

3. The pipeline plugging device for the gas engineering according to claim 1, wherein: the three-way connecting pipe (2) comprises an upper component (211) and a lower component (212), wherein the bottom of the upper component (211) and the upper part of the lower component (212) are fixedly connected with a first connecting plate (14) and a second connecting plate (15) respectively.

4. The pipeline plugging device for the gas engineering according to claim 3, wherein: the surface of the pipeline (3) is provided with a side pipe opening (311), the upper member (211) is pressed at the side pipe opening (311) on the surface of the pipeline (3), the lower member (212) is pressed at the lower part of the surface of the pipeline (3), and the upper member (211) and the lower member (212) are fixedly connected through a first bolt (16).

5. The pipeline plugging device for the gas engineering according to claim 3, wherein: rubber notch (23) and liquid rubber notch (24) have all been seted up to the inside of upper member (211) and lower member (212), rubber notch (23) fixedly connected with rubber pad (17), liquid rubber import (18) have been seted up to the left and right sides of upper member (211) upper surface, liquid rubber import (18) and liquid rubber notch (24) intercommunication.

6. The pipeline plugging device for the gas engineering according to claim 3, wherein: the bottom fixedly connected with first connector (19) of barrel (111), the upper portion fixedly connected with second connector (20) of last component (211), first connector (19) and second connector (20) are through second bolt (21) fixed connection, and press from both sides between first connector (19) and second connector (20) and be equipped with flange (22).