CN218546066U

CN218546066U - Pipeline welding seam safety inspection device

Info

Publication number: CN218546066U
Application number: CN202222758974.9U
Authority: CN
Inventors: 李日波; 徐振洪; 杨玉亮; 冯军胜
Original assignee: Henan Jieheng Testing Service Co ltd
Current assignee: Henan Jieheng Testing Service Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-28
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a pipeline welding seam safety detection device, which comprises a pipeline, wherein two ends of the pipeline are correspondingly provided with a sealing cover, a barometer is arranged on the sealing cover at one end of the pipeline, and a gas supplementing port is arranged on the sealing cover at the other end of the pipeline and is communicated with inflation equipment through a connecting pipe; an inner pipe is arranged on the end face, close to the pipeline, of the sealing cover, the diameter of the inner pipe is smaller than that of the pipeline, an annular pipe is sleeved on the inner pipe and is located between the inner pipe and the inner wall of the pipeline, an inflation pipe is arranged on the annular pipe, and the inflation pipe penetrates through the sealing cover; this application is rational in infrastructure, the cooperation is ingenious, aerifys to the annular pipe in through the gas tube, and the annular pipe inflation can push up the outer wall of tight inner tube and the inner wall of pipeline simultaneously, can detect the pipeline welding seam and provide good leakproofness, improves detection accuracy, avoids gas leakage, improves the security.

Description

Pipeline welding seam safety inspection device

Technical Field

The utility model belongs to the technical field of the pipeline inspection technique and specifically relates to a pipeline welding seam safety inspection device.

Background

The pipeline is a material with a wide application range, and is widely applied to the fields of industry and agriculture, infrastructure and daily life, such as water pipes and gas pipelines which are common in daily life, and petroleum pipelines, natural gas pipelines and the like in the industrial field.

The quality of the welding joint of the pipeline is related to whether the pipeline is compact or not, so the traditional inspection method is to plug two ends of the pipeline tightly and externally connect a gas pressure meter, introduce gas with certain pressure into the pipeline, stand for a certain time and observe the gas pressure meter to determine whether the pipeline leaks or not, but the sealing process of the two ends of the pipeline is complicated and unreliable in the existing method, the risk of gas leakage exists, the inaccurate measuring result is easily caused, and the safety problem of the gas leakage exists; therefore, a pipeline welding seam safety detection device is urgently needed to be designed, the air leakage probability of the pipeline from two ends in the detection process is reduced, the working safety of the pipeline is improved, and the accuracy of measuring the compactness of the pipeline is further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline welding seam safety inspection device for thereby solve current the problem that lets in gaseous both ends from the pipeline and leak and influence the measuring result.

In order to solve the above problems, the utility model provides a pipeline welding seam safety inspection device, this pipeline welding seam safety inspection device includes the pipeline, the both ends of pipeline are correspondingly equipped with sealed lid, be equipped with the barometer on the sealed lid of one end of pipeline, be equipped with the tonifying qi mouth on the sealed lid of the other end of pipeline, the tonifying qi mouth passes through connecting pipe and inflation equipment intercommunication; the sealed lid is close to be equipped with the inner tube on the terminal surface of pipeline just the diameter of inner tube is less than the diameter of pipeline, the cover is equipped with the annular tube that has ductility just on the inner tube the annular tube is located the inner tube with between the inner wall of pipeline, be equipped with the gas tube just on the annular tube the gas tube is worn to establish sealed covering.

The utility model provides a pipeline welding seam safety inspection device still has following technical characteristic:

furthermore, the end face, close to the pipeline, of the sealing cover is provided with an outer pipe, the diameter of the outer pipe is larger than that of the pipeline, the outer pipe is provided with a locking assembly, and the locking assembly can limit the relative position of the outer pipe and the sealing cover.

Further, locking Assembly includes puller bolt, puller bolt wears to establish on the outer tube.

Furthermore, a reinforcing rib is arranged between the inner pipe and the sealing cover.

Furthermore, the reinforcing ribs are provided with a plurality of groups.

Further, the connecting pipe is a flexible pipe.

Further, the air supplement port is provided with a stop valve.

Further, the annular tube is made of rubber.

Further, the inflation equipment is an air compressor.

The utility model discloses following beneficial effect has: the pipeline welding line detection device is reasonable in structure and ingenious in matching, when a pipeline welding line needs to be detected, the two corresponding sealing covers are firstly arranged at the two ends of the pipeline to enable the inner pipe to penetrate through the pipeline, then the annular pipe is inflated through the inflation pipe to enable the annular pipe to expand, the annular pipe can be expanded to simultaneously push against the outer wall of the inner pipe and the inner wall of the pipeline, so that the two ends of the pipeline are sealed, then inflation equipment is started to inflate a certain amount of gas into the pipeline to enable the pipeline to keep a certain pressure, then the pipeline is kept still for a certain time, and finally the gas pressure meter is observed to determine whether the pipeline leaks; this application can provide good leakproofness to the pipeline welding seam detects, improves detection accuracy, avoids gas leakage, improves the security.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

1. A pipeline; 21. a sealing cover; 22. an inner tube; 23. reinforcing ribs; 24. an annular tube; 25. an inflation tube; 26. an outer tube; 27. tightening the bolt; 28. an air supplement port; 31. an air compressor; 32. a connecting pipe; 33. a stop valve; 34. and a barometer.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiment of the safety inspection device for pipeline welding seam of the present invention as shown in fig. 1, the safety inspection device for pipeline welding seam of the present invention comprises a pipeline 1, two sealing covers 21 are correspondingly installed at two ends of the pipeline 1, a barometer 34 is installed on the sealing cover 21 at one end of the pipeline 1, an air supplement port 28 is installed on the sealing cover 21 at the other end of the pipeline 1, and the air supplement port 28 is communicated with an inflation device through a connecting pipe 32; sealed lid 21 is close to be equipped with inner tube 22 on the terminal surface of pipeline 1 just the diameter of inner tube 22 is less than the diameter of pipeline 1, the cover is equipped with the annular tube 24 that has the ductility just on the inner tube 22 the annular tube 24 is located the inner tube 22 with between the inner wall of pipeline 1, be equipped with on the annular tube 24 gas tube 25 just gas tube 25 wears to establish sealed lid 21 is last.

When the method needs to be used for detecting the welding seam of the pipeline 1, firstly, two corresponding sealing covers 21 are arranged at two ends of the pipeline 1 to enable the inner pipe 22 to penetrate through the pipeline 1, then, the annular pipe 24 is inflated through the inflating pipe 25 to enable the annular pipe 24 to expand, the annular pipe 24 can be expanded to simultaneously prop against the outer wall of the inner pipe 22 and the inner wall of the pipeline 1, so that two ends of the pipeline 1 are sealed, then, inflating equipment is started to inflate certain gas into the pipeline 1 to enable the pipeline 1 to keep certain air pressure, then, the pipeline 1 is kept static for certain time, and finally, the barometer 34 is observed to determine whether the pipeline 1 leaks; this application can detect 1 welding seam of pipeline and provide good leakproofness, improves the detection accuracy, avoids gas leakage, improves the security.

In an embodiment of the present application, preferably, the end surface of the sealing cover 21 close to the pipeline 1 is provided with an outer pipe 26, and the diameter of the outer pipe 26 is larger than that of the pipeline 1, and the outer pipe 26 is provided with a locking assembly, which can limit the relative position of the outer pipe 26 and the sealing cover 21, and can fix the sealing cover 21 when the sealing cover 21 is installed at the end of the pipeline 1, so as to reduce the relative sliding between the sealing cover 21 and the pipeline 1.

In one embodiment of the present application, preferably, the locking assembly includes a tightening bolt 27, the tightening bolt 27 is inserted into the outer tube 26, and the bolt has a simple structure, low cost and high practicability.

In one embodiment of the present application, a rib 23 is preferably disposed between the inner tube 22 and the sealing cover 21 to prevent the inner tube 22 from being deformed by pressing when the annular tube 24 is expanded, thereby improving the strength of the inner tube 22.

In one embodiment of the present application, preferably, the reinforcing ribs 23 are provided in multiple groups, so as to further improve the structural strength of the inner tube 22.

In one embodiment of the present application, the connection tube 32 is preferably a flexible tube to facilitate adjustable docking of the connection tube 32 with the air supplement port 28.

In an embodiment of the present application, preferably, the air supplement opening 28 is provided with a stop valve 33, so that the air supplement opening 28 can be closed by using the stop valve 33 after the air charging device charges one of the pipelines 1, and thus the air charging device charges the other pipelines 1, thereby improving the working efficiency.

In one embodiment of the present application, the annular tube 24 is preferably made of rubber, which has the advantages of high toughness, high wear resistance, and low cost, and is easy to replace.

In one embodiment of the present application, preferably, the inflation device is an air compressor 31, and the air compressor 31 occupies a small area and has high inflation efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The pipeline welding seam safety detection device is characterized by comprising a pipeline, wherein two ends of the pipeline are correspondingly provided with sealing covers, a barometer is arranged on the sealing cover at one end of the pipeline, an air supplement port is arranged on the sealing cover at the other end of the pipeline, and the air supplement port is communicated with an inflating device through a connecting pipe; sealed lid is close to be equipped with the inner tube on the terminal surface of pipeline just the diameter of inner tube is less than the diameter of pipeline, the cover is equipped with the annular tube that has ductility just on the inner tube the annular tube is located the inner tube with between the inner wall of pipeline, be equipped with on the annular tube the gas tube just the gas tube is worn to establish sealed covering.

2. The pipe weld safety inspection device of claim 1, wherein: the end face, close to the pipeline, of the sealing cover is provided with an outer pipe, the diameter of the outer pipe is larger than that of the pipeline, the outer pipe is provided with a locking assembly, and the locking assembly can limit the relative position of the outer pipe and the sealing cover.

3. The pipe weld safety inspection device of claim 2, wherein: the locking assembly comprises a puller bolt, and the puller bolt penetrates through the outer pipe.

4. The pipe weld safety inspection device of claim 1, wherein: and a reinforcing rib is arranged between the inner pipe and the sealing cover.

5. The pipe weld safety inspection device of claim 4, wherein: the reinforcing ribs are provided with a plurality of groups.

6. The pipe weld safety inspection device of claim 1, wherein: the connecting pipe is a flexible pipe.

7. The pipe weld safety inspection device of claim 1, wherein: the air supplementing port is provided with a stop valve.

8. The pipe weld safety inspection device of claim 1, wherein: the annular tube is made of rubber.

9. The pipe weld safety inspection device of claim 1, wherein: the inflation equipment is an air compressor.