CN214274903U - Device capable of quickly cutting off polyethylene pipeline - Google Patents

Device capable of quickly cutting off polyethylene pipeline Download PDF

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Publication number
CN214274903U
CN214274903U CN202120218381.6U CN202120218381U CN214274903U CN 214274903 U CN214274903 U CN 214274903U CN 202120218381 U CN202120218381 U CN 202120218381U CN 214274903 U CN214274903 U CN 214274903U
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CN
China
Prior art keywords
inflator pump
polyethylene
gasbag
inflator
air bag
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CN202120218381.6U
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Chinese (zh)
Inventor
陈斯
熊白平
吕赵鸣
何洲
伍明松
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Sichuan Huiding Qingyuan Technology Co ltd
Original Assignee
Sichuan Huaqi Qingyuan Oil And Gas Engineering Co ltd
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Priority to CN202120218381.6U priority Critical patent/CN214274903U/en
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Abstract

The utility model relates to the technical field of natural gas pipelines, in particular to a device capable of quickly cutting off a polyethylene pipeline; the technical scheme is as follows: the utility model provides a device that can cut polyethylene pipe fast, includes with inflator pump, seal box and the gasbag that is used for shutoff polyethylene pipe, in inflator pump installation and the seal box, the air inlet and the gas outlet of inflator pump pass through the pipeline and extend to outside the seal box, the gasbag air inlet links to each other with the inflator pump gas outlet, be connected with the check valve between gasbag and the inflator pump. The utility model discloses an inflator pump is quick aerate for the gasbag to the inner chamber of the quick shutoff polyethylene pipe of inflation through the gasbag, thereby quick carry out the shutoff to natural gas polyethylene pipe, avoid the waste of natural gas and ensure construction safety.

Description

Device capable of quickly cutting off polyethylene pipeline
Technical Field
The utility model relates to a natural gas line technical field, concretely relates to can cut device of polyethylene pipe fast.
Background
The natural gas in pipelines needs to be emptied during the collision of town gas at a mouth, accident conditions and maintenance, and the natural gas emptied by gas operating enterprises is a loss. The frequent emptying amount of the town gas stop touch opening is large, the natural gas between two buried ball valves of the pipeline section is required to be emptied by the general gas stop touch opening, and certain potential safety hazards are also generated while emptying loss and waste are generated. In addition, the existing natural gas pipeline usually adopts a PE pipe (polyethylene pipe) to replace the traditional steel pipe and polyvinyl chloride gas pipe, and the cutting and plugging difficulty of the pipeline at the mouth is high.
SUMMERY OF THE UTILITY MODEL
The technical problems of natural gas waste and potential safety hazards caused by the fact that natural gas in a pipeline needs to be emptied during mouth collision, accident working conditions and maintenance of the existing town gas are solved; the utility model provides a device that can cut polyethylene pipe fast to quick carry out the shutoff to natural gas polyethylene pipe, avoid the waste of natural gas and ensure construction safety.
The utility model discloses a following technical scheme realizes:
the utility model provides a device that can cut polyethylene pipe fast, includes with inflator pump, seal box and the gasbag that is used for shutoff polyethylene pipe, in inflator pump installation and the seal box, the air inlet and the gas outlet of inflator pump pass through the pipeline and extend to outside the seal box, the gasbag air inlet links to each other with the inflator pump gas outlet, be connected with the check valve between gasbag and the inflator pump.
The utility model discloses when using, fill in the polyethylene pipeline that needs the shutoff with the gasbag in, then start the pump and inflate for the gasbag fast to the inner chamber of the quick shutoff polyethylene pipeline of inflation through the gasbag. Therefore, the utility model discloses can be quick carry out the shutoff to natural gas polyethylene pipeline, avoid the waste of natural gas and ensure construction safety. The one-way valve can prevent the air bag from leaking, so that the plugging efficiency of the polyethylene pipeline is ensured; meanwhile, the inflator pump is arranged in the sealing box, so that sparks caused by starting and stopping of the inflator pump can be prevented from contacting natural gas discharged from the polyethylene pipeline, and the operation safety is ensured.
Furthermore, the air bag is connected with the inflator pump through a metal corrugated pipe, namely, a connecting pipeline between the air bag and the inflator pump has certain bending performance while having corresponding structural strength, so that the air bag can be conveniently inserted into and pulled out of the polyethylene pipeline.
Furthermore, a safety valve is connected between the air bag and the inflator pump to prevent the air bag or the polyethylene pipeline from being damaged due to overhigh air pressure of the air bag.
Specifically, the safety valve is positioned between the one-way valve and the inflator pump, so that the polyethylene pipeline is prevented from being blocked loosely due to insufficient pressure of the air bag caused by leakage of the safety valve.
Furthermore, the air leakage port of the safety valve is connected with a squealer to judge whether the safety valve is opened or not by judging whether the squealer generates sound or not, so that sufficient air pressure in the air bag is ensured, the condition that electronic equipment is adopted to monitor the pressure of the air bag is avoided, and the operation safety can be further ensured.
In order to facilitate the rapid release of the air pressure of the air bag, an air release valve is arranged between the air bag and the one-way valve.
In order to facilitate the replacement of the air bag, the air bag is detachably connected with the inflator pump.
Specifically, the material of the air bag is ethylene propylene diene monomer.
Furthermore, the gap between the inflator pump and the sealing box is filled with heat-conducting silica gel, so that the heat generated by the inflator pump is led to the sealing box body when the electromechanical part of the inflator pump is isolated from being contacted with natural gas, the inflator pump is cooled, and the inflator pump can work normally.
In order to ensure that the sealing box has enough heat dissipation capacity, the sealing box is made of metal materials, and heat dissipation fins are arranged on the outer side of the sealing box.
The utility model has the advantages that:
1. the utility model rapidly inflates the air bag by the inflator pump to rapidly plug the inner cavity of the polyethylene pipeline through the expansion of the air bag, thereby rapidly plugging the natural gas polyethylene pipeline, avoiding the waste of natural gas and ensuring the construction safety;
2. the safety valve is connected between the air bag and the inflator pump to prevent the air bag or the polyethylene pipeline from being damaged due to overhigh air pressure of the air bag;
3. the safety valve air leakage opening of the utility model is connected with the squealer to judge whether the safety valve is opened or not by whether the squealer generates sound or not, thereby ensuring that the air bag has enough air pressure, avoiding adopting electronic equipment to monitor the air bag pressure and further ensuring the operation safety;
4. the utility model discloses a space between pump and the seal box is filled by heat conduction silica gel to when cutting off pump electromechanical part and natural gas contact, the heat that produces the pump causes the seal box fit, thereby dispels the heat to the pump, ensures that the pump can normally work.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the sealing box of the present invention;
fig. 2 is a schematic view of the pipeline connection of the present invention.
Reference numbers and corresponding component names in the drawings:
1-inflator pump, 2-sealing box, 3-air bag, 4-one-way valve, 5-safety valve, 6-whistle device, 7-air release valve, 8-heat-conducting silica gel and 9-radiating fin.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
The utility model provides a device that can cut polyethylene pipe fast, includes with inflator pump 1, seal box 2 and the gasbag 3 that is used for shutoff polyethylene pipe, 1 installation of inflator pump is in 2 with seal box, the air inlet and the gas outlet of inflator pump 1 pass through the pipeline and extend to outside seal box 2, 3 air inlets of gasbag link to each other with 1 gas outlet of inflator pump, be connected with check valve 4 between gasbag 3 and the inflator pump 1.
Further, the airbag 3 is connected with the inflator 1 through a metal corrugated pipe, that is, a connecting pipe between the airbag 3 and the inflator 1 has certain bending performance while having corresponding structural strength, so that the airbag 3 can be conveniently inserted into and pulled out of a polyethylene pipe.
Further, a safety valve 5 is connected between the air bag 3 and the inflator 1 to prevent the air bag 3 or the polyethylene pipe from being damaged due to over-high air pressure of the air bag 3.
Specifically, the safety valve 5 is located between the check valve 4 and the inflator 1 to prevent the polyethylene pipe from being loosely sealed due to insufficient pressure of the airbag 3 caused by leakage of the safety valve 5.
Furthermore, the air leakage port of the safety valve 5 is connected with a whistle 6, so that a whistle and other devices can generate vibration and whistle through air flow, whether the safety valve 5 is opened or not is judged through whether the whistle 6 generates sound, sufficient air pressure in the air bag 3 is ensured, the condition that the pressure of the air bag 3 is monitored by electronic equipment is avoided, and the operation safety can be further ensured.
In order to facilitate the rapid release of the air pressure of the air bag 3, a release valve 7 is arranged between the air bag 3 and the one-way valve 4.
In order to facilitate the replacement of the airbag 3, the airbag 3 is detachably connected to the inflator 1.
Specifically, the material of the airbag 3 is ethylene propylene diene monomer.
Further, the gap between the inflator pump 1 and the sealing box 2 is filled with heat-conducting silica gel 8, so that when the electromechanical part of the inflator pump 1 is isolated from being contacted with natural gas, heat generated by the inflator pump 1 is led to the sealing box 2 to be integrated, the inflator pump 1 is cooled, and the inflator pump 1 can work normally. Meanwhile, the vibration of the inflator pump 1 during operation can be absorbed through the heat-conducting silica gel 8, and the vibration and the noise during operation are reduced.
In order to ensure that the sealing box 2 has enough heat dissipation capacity, the sealing box 2 is made of metal, and the outer side of the sealing box 2 is provided with heat dissipation fins 9.
When the inflatable self-sealing device is used, the air bag 3 is plugged into a polyethylene pipeline to be sealed, then the inflator pump 1 is started to rapidly inflate the air bag 3, and when the squealing device 6 connected with the air outlet of the safety valve 5 generates squealing, the inflator pump 1 is closed and stopped, so that the inner cavity of the polyethylene pipeline is rapidly sealed through expansion of the air bag 3. The one-way valve 4 can prevent the air leakage of the air bag 3, thereby ensuring the plugging efficiency of the polyethylene pipeline; meanwhile, the inflator pump 1 is arranged in the sealing box 2, so that sparks caused by starting and stopping of the inflator pump 1 can be prevented from contacting natural gas discharged from a polyethylene pipeline, and operation safety is ensured. In addition, when the air bag 3 needs to be taken out, the air release valve 7 is opened to quickly release the pressure in the air bag 3 so as to take out the air bag 3.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a device that can cut polyethylene pipe fast, its characterized in that includes with inflator pump (1), seal box (2) and be used for gasbag (3) of shutoff polyethylene pipe, in inflator pump (1) installation and seal box (2), outside air inlet and the gas outlet of inflator pump (1) extended to seal box (2) through the pipeline, gasbag (3) air inlet linked to each other with inflator pump (1) gas outlet, be connected with check valve (4) between gasbag (3) and inflator pump (1).
2. The device capable of rapidly intercepting polyethylene pipes according to claim 1, wherein the air bag (3) is connected with the inflator (1) through a metal bellows.
3. The device for the rapid truncation of polyethylene tubing according to claim 1 or 2, wherein a safety valve (5) is connected between the balloon (3) and the inflator (1).
4. Device for the rapid truncation of polyethylene tubing according to claim 3, wherein the safety valve (5) is located between the one-way valve (4) and the inflator pump (1).
5. The apparatus for rapidly cutting off polyethylene pipes according to claim 3, wherein the safety valve (5) is connected with a whistle (6) at the air vent.
6. Device for the rapid truncation of polyethylene piping according to claim 1, wherein a deflation valve (7) is provided between the bladder (3) and the one-way valve (4).
7. Device for the rapid truncation of polyethylene tubing according to claim 1, wherein the balloon (3) is removably connected to an inflator (1).
8. The device for rapidly cutting off polyethylene pipes according to claim 1, wherein the material of the air bag (3) is ethylene propylene diene monomer.
9. Device capable of rapidly intercepting polyethylene pipes according to claim 1, characterized in that the space between the inflator pump (1) and the sealing box (2) is filled with a heat-conducting silica gel (8).
10. The device for rapidly cutting off polyethylene pipes as claimed in claim 1 or 9, wherein the sealing box (2) is made of metal, and the outside of the sealing box (2) is provided with heat dissipation fins (9).
CN202120218381.6U 2021-01-26 2021-01-26 Device capable of quickly cutting off polyethylene pipeline Active CN214274903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120218381.6U CN214274903U (en) 2021-01-26 2021-01-26 Device capable of quickly cutting off polyethylene pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120218381.6U CN214274903U (en) 2021-01-26 2021-01-26 Device capable of quickly cutting off polyethylene pipeline

Publications (1)

Publication Number Publication Date
CN214274903U true CN214274903U (en) 2021-09-24

Family

ID=77768671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120218381.6U Active CN214274903U (en) 2021-01-26 2021-01-26 Device capable of quickly cutting off polyethylene pipeline

Country Status (1)

Country Link
CN (1) CN214274903U (en)

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Address after: No.123, west section of Hupan Road, Xinglong Street, Tianfu New District, Chengdu, Sichuan 610000 China (Sichuan) pilot Free Trade Zone

Patentee after: Sichuan Huiding Qingyuan Technology Co.,Ltd.

Address before: No.123, west section of Hupan Road, Xinglong Street, Tianfu New District, Chengdu, Sichuan 610000 China (Sichuan) pilot Free Trade Zone

Patentee before: Sichuan Huaqi Qingyuan Oil and Gas Engineering Co.,Ltd.

CP01 Change in the name or title of a patent holder